<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="优惠券发放者" prop="source">
        <el-select v-model="queryParams.source" placeholder="请选择优惠券发放者" clearable>
          <el-option v-for="dict in dict.type.source" :key="dict.value" :label="dict.label" :value="dict.value" />
        </el-select>
      </el-form-item>
      <el-form-item label="商家名称 " prop="shopName">
        <el-input v-model="queryParams.shopName" placeholder="请输入商家名称 " clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="优惠券名称" prop="name">
        <el-input v-model="queryParams.name" placeholder="请输入优惠券名称" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="折扣" prop="discount">
        <el-input v-model="queryParams.discount" placeholder="请输入折扣" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="触发金额" prop="triggerMoney">
        <el-input v-model="queryParams.triggerMoney" placeholder="请输入触发金额" clearable
          @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="优惠金额" prop="preferentialMoney">
        <el-input v-model="queryParams.preferentialMoney" placeholder="请输入优惠金额" clearable
          @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="开始时间" prop="start">
        <el-date-picker clearable v-model="queryParams.start" type="date" value-format="yyyy-MM-dd"
          placeholder="请选择开始时间">
        </el-date-picker>
      </el-form-item>
      <el-form-item label="结束时间" prop="end">
        <el-date-picker clearable v-model="queryParams.end" type="date" value-format="yyyy-MM-dd" placeholder="请选择结束时间">
        </el-date-picker>
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="请选择状态" clearable>
          <el-option v-for="dict in dict.type.coupon" :key="dict.value" :label="dict.label" :value="dict.value" />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
          v-hasPermi="['business:coupon:add']">新增</el-button>
      </el-col>
      <!-- <el-col :span="1.5">
        <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate"
          v-hasPermi="['business:coupon:edit']">修改</el-button>
      </el-col> -->
      <el-col :span="1.5">
        <el-button type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete"
          v-hasPermi="['business:coupon:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport"
          v-hasPermi="['business:coupon:export']">导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="couponList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <!-- <el-table-column label="主键id" align="center" prop="id" /> -->
      <el-table-column label="优惠券发放者" align="center" prop="source">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.source" :value="scope.row.source" />
        </template>
      </el-table-column>
      <el-table-column label="商家名称 " align="center" prop="shop.name" />
      <el-table-column label="优惠券名称" align="center" prop="name" />
      <el-table-column label="优惠券类型" align="center" prop="type" />
      <el-table-column label="折扣" align="center" prop="discount" />
      <el-table-column label="触发金额" align="center" prop="triggerMoney" />
      <el-table-column label="优惠金额" align="center" prop="preferentialMoney" />
      <el-table-column label="开始时间" align="center" prop="start" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.start, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="结束时间" align="center" prop="end" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.end, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="投放数量" align="center" prop="num" />
      <el-table-column label="领取数量" align="center" prop="size" />
      <el-table-column label="状态" align="center" prop="status">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.coupon" :value="scope.row.status" />
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['business:coupon:edit']">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
            v-hasPermi="['business:coupon:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total>0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
      @pagination="getList" />

    <!-- 添加或修改优惠券对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="优惠券发放者" prop="source" v-if="this.form.id == null">
          <el-select v-model="form.source" placeholder="请选择优惠券发放者">
            <el-option v-for="dict in type" :key="dict.value" :label="dict.label"
              :value="parseInt(dict.value)"></el-option>
          </el-select>
        </el-form-item>
        <!-- <el-form-item label="商家id " prop="mId">
              <el-input v-model="form.mId" placeholder="请输入商家id " />
            </el-form-item> -->
        <el-form-item label="优惠券名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入优惠券名称" />
        </el-form-item>
        <el-form-item label="优惠券类型" prop="source" v-if="this.form.id == null">
          <el-select v-model="form.type" placeholder="请选择优惠券类型">
            <el-option v-for="dict in couponType" :key="dict.label" :label="dict.label" :value="dict.label"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="折扣" prop="discount" v-if="form.type == '折扣券'">
          <el-input v-model="form.discount" placeholder="请输入折扣" />
        </el-form-item>
        <el-form-item label="触发金额" prop="triggerMoney" v-if="form.type == '满减券'">
          <el-input v-model="form.triggerMoney" placeholder="请输入触发金额" />
        </el-form-item>
        <el-form-item label="优惠金额" prop="preferentialMoney" v-if="form.type == '满减券'">
          <el-input v-model="form.preferentialMoney" placeholder="请输入优惠金额" />
        </el-form-item>
        <el-form-item label="开始时间" prop="start">
          <el-date-picker clearable v-model="form.start" type="date" value-format="yyyy-MM-dd" placeholder="请选择开始时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="结束时间" prop="end">
          <el-date-picker clearable v-model="form.end" type="date" value-format="yyyy-MM-dd" placeholder="请选择结束时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="投放数量" prop="num">
          <el-input v-model="form.num" placeholder="请输入投放数量" />
        </el-form-item>
        <el-form-item label="领取数量" prop="size">
          <el-input v-model="form.size" placeholder="请输入领取数量" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
  import {
    listCoupon,
    getCoupon,
    delCoupon,
    addCoupon,
    updateCoupon
  } from "@/api/business/coupon";

  export default {
    name: "Coupon",
    dicts: ['coupon', 'source'],
    data() {
      return {
        type: [{
          value: '0',
          label: '平台'
        }],
        couponType: [{
          value: '0',
          label: '满减券'
        }, {
          value: '1',
          label: '折扣券'
        }],
        // 遮罩层
        loading: true,
        // 选中数组
        ids: [],
        // 非单个禁用
        single: true,
        // 非多个禁用
        multiple: true,
        // 显示搜索条件
        showSearch: true,
        // 总条数
        total: 0,
        // 优惠券表格数据
        couponList: [],
        // 弹出层标题
        title: "",
        // 是否显示弹出层
        open: false,
        // 查询参数
        queryParams: {
          pageNum: 1,
          pageSize: 10,
          source: null,
          mId: null,
          name: null,
          type: null,
          discount: null,
          triggerMoney: null,
          preferentialMoney: null,
          start: null,
          end: null,
          status: null
        },
        // 表单参数
        form: {},
        // 表单校验
        rules: {}
      };
    },
    created() {
      this.getList();
    },
    methods: {
      /** 查询优惠券列表 */
      getList() {
        this.loading = true;
        listCoupon(this.queryParams).then(response => {
          this.couponList = response.rows;
          this.total = response.total;
          this.loading = false;
        });
      },
      // 取消按钮
      cancel() {
        this.open = false;
        this.reset();
      },
      // 表单重置
      reset() {
        this.form = {
          id: null,
          source: null,
          mId: null,
          name: null,
          type: null,
          discount: null,
          triggerMoney: null,
          preferentialMoney: null,
          start: null,
          end: null,
          num: null,
          size: null,
          status: null
        };
        this.resetForm("form");
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.queryParams.pageNum = 1;
        this.getList();
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.resetForm("queryForm");
        this.handleQuery();
      },
      // 多选框选中数据
      handleSelectionChange(selection) {
        this.ids = selection.map(item => item.id)
        this.single = selection.length !== 1
        this.multiple = !selection.length
      },
      /** 新增按钮操作 */
      handleAdd() {
        this.reset();
        this.open = true;
        this.title = "添加优惠券";
      },
      /** 修改按钮操作 */
      handleUpdate(row) {
        this.reset();
        const id = row.id || this.ids
        getCoupon(id).then(response => {
          this.form = response.data;
          this.open = true;
          this.title = "修改优惠券";
        });
      },
      /** 提交按钮 */
      submitForm() {
        this.$refs["form"].validate(valid => {
          if (valid) {
            if (this.form.id != null) {
              updateCoupon(this.form).then(response => {
                this.$modal.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              });
            } else {
              addCoupon(this.form).then(response => {
                this.$modal.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              });
            }
          }
        });
      },
      /** 删除按钮操作 */
      handleDelete(row) {
        const ids = row.id || this.ids;
        this.$modal.confirm('是否确认删除优惠券编号为"' + ids + '"的数据项？').then(function() {
          return delCoupon(ids);
        }).then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        }).catch(() => {});
      },
      /** 导出按钮操作 */
      handleExport() {
        this.download('business/coupon/export', {
          ...this.queryParams
        }, `coupon_${new Date().getTime()}.xlsx`)
      }
    }
  };
</script>
